Chapter 11 Flashcards
Intelligence
can be defined as “whatever, intelligence test measure”
Intelligence tests
series of questions and other exercised which attempt to assess peoples mental abilities in a way that generates a numerical score so one person can be compared to another
General knowledge
AKA “g”
Charles spearmen performed a factor analysis and found people who do well in one subject do well in another; speculated these people had a high g
Factor analysis
statistical technique that determines how different variables relate to each other
Assessing intellegence
assessment- activity and instruments used to measure intelligence
Alfred Binet predicting school achievement
in late 1800’s france law required universal education even for those not able to succeed with the current instruction
devised tests for children to determine which ones needed help
implied children with lower ability were delayed not disabled and with help they could improve
Stanford Binet IQ test
Lewis Terman adapted Alfred Binets test added new test items and extended the range to adulthood
William Sterns Scoring
IQ
IQ
Intelligence Quotient
mental age divided by chronological age x 100
Wechsler intelligence skill for children WISC
most widely used
provides IQ and 4 sub scores
(working memory, comprehension, perceptual reasoning, and processing speed)
Wechsler Adult Intelligence Score WAIS
Similar test to WISC
The Stanford Binet, WISC, and WAIS are
individually administered
standardization
normalized
Individual administration
1 examiner and 1 participant
Standardization
examiners follow a specific list of instructions, including exact words to use, and how to hold materials such as pictures
Normalized
administered to many people so that the performance average and variability are established
Percentile
A way to compare test stores; percentage of the comparable population that scored below a given score
ex: 99th percentile; exceeds 99 percent of the population
Frequency distribution
Range of scored on x axis; # of people who got each score on y axis
Normal distribution
Bell-shaped curve describing the distribution of scores around a mean
Standard deviation
the average distance or “deviation” of each score from the mean